Home / 15,423.38-23,135.08-8,853.74

Finding the Fourth Proportional to 15,423.38, 23,135.08 and 8,853.74

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Solution

The fourth proportional to 15,423.38, 23,135.08 and 8,853.74 is: 13,280.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423.38 : 23,135.08 = 8,853.74 : x
  2. Step 2: Convert to fraction form
    15,423.38/23,135.08 = 8,853.74/x
  3. Step 3: Cross multiply
    15,423.38x = 23,135.08 × 8,853.74
  4. Step 4: Simplify right side
    15,423.38x = 204,831,983.20
  5. Step 5: Solve for x
    x = 204,831,983.20/15,423.38
  6. Step 6: Final answer
    x = 13,280.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.